No there are no vacuoles in a human but there are in a plant but not humans.
Theories are educated guests that are tested by experiments
Glucose is needed because glucose is a form of sugar and sugar is an energy source, so it gives eenergy
Explanation:
possible benefits of genetic engineering include:
More nutritious food
Tastier food
Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer)
Less use of pesticides
Increased supply of food with reduced cost and longer shelf life
Faster growing plants and animals
Food with more desirable traits, such as potatoes that produce less of a cancer-causing substance when fried
Medicinal foods that could be used as vaccines or other medicines
Insulin (secreted from the pancreas)
Oversecretion: hypoglycemia (low level of sugar in the blood)
Undersecreation: hyperglycemia (high level of sugar in blood, Diabetes Mellitus)
